Uniform Traffic Control and Warning Messages for Portable Changeable Message Signs PDF Download
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Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 67
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Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 67
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Book Description
Author: Richard L. Knoblauch
Publisher:
ISBN:
Category :
Languages : en
Pages : 76
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Author: American Traffic Safety Services Association. Sign Committee
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 12
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Author: American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 560
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Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 76
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Book Description
The objective of this study was to develop and test word and symbol traffic control and hazard messages for portable changeable message signs (PCMSs). The messages were designed for the standard PCMS with three lines of eight characters. First, a comprehensive listing of candidate PCMS messages was developed. This was done by interviewing State highway engineers, surveying PCMS manufacturers and questioning motorists. In those situations where subjects did not express an overwhelming sign preference additional field testing was done. The detection distances of the candidate messages were determined using a PCMS under both day and night conditions.
Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 216
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Author: United States. Department of Transportation
Publisher:
ISBN: 9780935403817
Category : Highway communications
Languages : en
Pages : 780
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Book Description
The Manual of Uniform Traffice Control Devices (MUTCD) is aproved by the Federal Highway Administrator as the National Standard in accordance with Title 23 U.S. Code, Sections 109(d), 114(a), 217, 315, and 402(a), 23 CFR 655, and 49 CFR 1.48(b)(33), and 1.48(c)(2).
Author: United States. National Advisory Committee on Uniform Traffic Control Devices
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 896
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Author: Siim Soot
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 218
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Book Description
Portable Changeable Message Sign (PCMS) systems used in work zones are programmable supplementary traffic control devices that display messages composed of letters, symbols or both and provide information and instructions to the traveling public approaching work zone activities. The study seeks to develop warrants and criteria for PCMS deployment in Illinois highway work zones. It is recommended that PCMS systems be used during long- and intermediate-term stationary work, for traffic control through incident areas, and in projects where advance-time notification is needed. The discussion focuses on spacing criteria, number of signs required, sign visibility and message legibility, text alignment, distance criteria, message length, duration and type, project-level operational guidelines, message storage and dissemination, repair, maintenance and utility costs, as well as control and coordination issues. The study concludes that additional research is needed in order to: develop a comprehensive standardized statewide database of messages and message abbreviations; develop a comprehensive repository with information about the technology of the various components of the PCMS units; coordinate PCMS units used in highway work zones with a corridor or regional ATMS system; and maintain information about the use of a PCMS unit in a work zone project and possibly integrate it with other relevant information in a management system.
Author:
Publisher:
ISBN:
Category : Road markings
Languages : en
Pages : 68
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Book Description
